CABLE SUPPORT GUIDELINES FOR UNDERGROUND HARD .Dec 11, 1992 . UNDERGROUND HARD ROCK MINE OPERATIONS ... The use of cable bolts in underground mines has evolved from the need for a long, ... mm length of pipe with a barrel and wedge anchor. The sample was pulled apart by a hydraulic test machine and the cable would fail in the shorter section of pipe.anchor machine for underground mining,Roof bolt bearing plate and method for an underground mine - GoogleRoof bolt bearing plate and method are disclosed for use in underground mining operations. A dome-shaped roof bolt bearing plate and . The operator monitors the bolts anchoring in the roof as the operator lowers the roof bolt machine away from the head of the bolt. Accordingly, the novel apparatus and method of the.
Rock reinforcement - EpirocEpiroc offers state of the art rock reinforcement equipment for underground mining and tunneling. Our comprehensive range of rigs for rock bolting, cable bolting and concrete spraying are designed to add safety, security and improved production to your operations.Ground support - EpirocRock bolting systems are used to stabilize excavated rock mass in underground mines and tunnelling. Rock bolts are systematically arranged to transfer the load from the unstable surface or exterior of the rock, to the much stronger interior part of the rock. The rock mass can be reinforced by different types of rock bolts.
Cable Bolting Practices in Underground Mines - Indian Bureau of .
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CABLE SUPPORT GUIDELINES FOR UNDERGROUND HARD .
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